Free Courses

Learn how to protect your own data, devices, and systems from today's threats.

This course examines the Sikh scripture from a doctrinal and historical perspective by providing an overview of Sikh teachings as well as the historical context within which the scripture evolved and became canonized.

Learn probability theory — essential for a data scientist — using a case study on the financial crisis of 2007–2008.

Find innovation opportunities in health care technology, management, consulting, or investing by examining health care cost, quality, and access.

Learn how early American politics informed the U.S. Constitution and why its promise of liberty and equality has yet to be fully realized.

Join Harvard Medical School faculty Dr. Luana Marques to use applied psychology to build personal resilience with five science-driven skills.

Learn probability theory — essential for a data scientist — using a case study on the financial crisis of 2007–2008.

Learn how a Culture of Health can transform your business by integrating worker, customer, community, and environmental well-being for sustainable success.

Learn the anatomy basic to understanding five musculoskeletal injuries commonly seen in primary care medicine and orthopedic clinical specialty practice. Follow hypothetical patients from injury to operating room.

Learn about the key beliefs and practices of Judaism through an examination of its sacred texts and their interpretation.

Learn how to protect children from violence, exploitation, and neglect through law, policy, and practice in a human rights framework.

Learn how to use decision trees, the foundational algorithm for your understanding of machine learning and artificial intelligence.

Explore the underlying structures of everyday arguments and develop the tools to communicate effectively.

This is CS50’s introduction to computer science and tech literacy for business professionals.

Study Baroque and Classical opera through Handel’s Giulio Cesare and Mozart’s Don Giovanni

Explore the impact of the conquest dynasties and the world of the Ming.

A gentle introduction to programming that prepares you for subsequent courses in coding.

Learn about the Quran, the central sacred text of Islam, through an exploration of the rich diversity of roles and interpretations in Muslim societies.

Learn the significance of electrochemistry, understanding how electrical, chemical, and mechanical energy are linked.

Learn skills and tools that support data science and reproducible research, to ensure you can trust your own research results, reproduce them yourself, and communicate them to others.

Explore China’s imperial period, with a focus on the Song dynasty and the role of the exam system in government.

Learn about the Qin and Han dynasties, and how Buddhism and ideas of self-realization influenced the medieval period.

Reimagine global health problems with some of the leading global health thinkers and actors through a case-based biosocial framework.

Build a movie recommendation system and learn the science behind one of the most popular and successful data science techniques.

Examine the inner workings of the three branches of the U.S. Federal Government

Learn how global warming impacts human health, and the ways we can diminish those impacts.

The structure, annotation, normalization, and interpretation of genome scale assays.

Learn about the opioid epidemic in the United States, including information about treatment and recovery from opioid addiction.

Learn to use machine learning in Python in this introductory course on artificial intelligence.

Learn advanced approaches to genomic visualization, reproducible analysis, data architecture, and exploration of cloud-scale consortium-generated genomic data.